Hi Lee
This happened to me, I have a 2002 748S which I bought new.
Only this year did I discover that two years earlier when I had bought and paid for 50mm termis the dealer fitted 45mm's because " some 748S models came from the factory with 748E headers".
It sounds like you have the 748E headers on your 748S model.
If you have had the bike from new contact the dealer and ask him to contact Ducati as you do not have the right parts, download the parts list from Ducati.com and check the part numbers you have.
If not write to Ducati and explain. Hope this helps
Mike
[Edited on 28-3-2005 by m1keyp]
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